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-rw-r--r--Python/pythonrun.c48
1 files changed, 47 insertions, 1 deletions
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 8387eed..e547f92 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -37,6 +37,7 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "ceval.h"
#include "pythonrun.h"
#include "import.h"
+#include "marshal.h"
#ifdef HAVE_SIGNAL_H
#include <signal.h>
@@ -192,11 +193,24 @@ run_script(fp, filename)
char *filename;
{
object *m, *d, *v;
+ char *ext;
+
m = add_module("__main__");
if (m == NULL)
return -1;
d = getmoduledict(m);
- v = run_file(fp, filename, file_input, d, d);
+ ext = filename + strlen(filename) - 4;
+ if ( strcmp(ext, ".pyc") == 0 ) {
+ /* Try to run a pyc file. First, re-open in binary */
+ fclose(fp);
+ if( (fp = fopen(filename, "rb")) == NULL ) {
+ fprintf(stderr, "python: Can't reopen .pyc file\n");
+ return -1;
+ }
+ v = run_pyc_file(fp, filename, d, d);
+ } else {
+ v = run_file(fp, filename, file_input, d, d);
+ }
flushline();
if (v == NULL) {
print_error();
@@ -357,6 +371,38 @@ run_node(n, filename, globals, locals)
}
object *
+run_pyc_file(fp, filename, globals, locals)
+ FILE *fp;
+ char *filename;
+ object *globals, *locals;
+{
+ codeobject *co;
+ object *v;
+ long magic;
+ long get_pyc_magic();
+
+ magic = rd_long(fp);
+ if (magic != get_pyc_magic()) {
+ err_setstr(RuntimeError,
+ "Bad magic number in .pyc file");
+ return NULL;
+ }
+ (void) rd_long(fp);
+ v = rd_object(fp);
+ fclose(fp);
+ if (v == NULL || !is_codeobject(v)) {
+ XDECREF(v);
+ err_setstr(RuntimeError,
+ "Bad code object in .pyc file");
+ return NULL;
+ }
+ co = (codeobject *)v;
+ v = eval_code(co, globals, locals, (object *)NULL, (object *)NULL);
+ DECREF(co);
+ return v;
+}
+
+object *
compile_string(str, filename, start)
char *str;
char *filename;
tion> Tcl is a high-level, general-purpose, interpreted, dynamic programming language. It was designed with the goal of being very simple but powerful.
summaryrefslogtreecommitdiffstats
path: root/compat/strstr.c
blob: 6698c9fa65b744ae9e9240d9ff544b0b7c53786d (plain)
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/* 
 * strstr.c --
 *
 *	Source code for the "strstr" library routine.
 *
 * Copyright (c) 1988-1993 The Regents of the University of California.
 * Copyright (c) 1994 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tcl.h"
#ifndef NULL
#define NULL 0
#endif

/*
 *----------------------------------------------------------------------
 *
 * strstr --
 *
 *	Locate the first instance of a substring in a string.
 *
 * Results:
 *	If string contains substring, the return value is the location of the
 *	first matching instance of substring in string. If string doesn't
 *	contain substring, the return value is 0. Matching is done on an exact
 *	character-for-character basis with no wildcards or special characters.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

char *
strstr(
    register char *string,	/* String to search. */
    char *substring)		/* Substring to try to find in string. */
{
    register char *a, *b;

    /*
     * First scan quickly through the two strings looking for a
     * single-character match. When it's found, then compare the rest of the
     * substring.
     */

    b = substring;
    if (*b == 0) {
	return string;
    }
    for ( ; *string != 0; string += 1) {
	if (*string != *b) {
	    continue;
	}
	a = string;
	while (1) {
	    if (*b == 0) {
		return string;
	    }
	    if (*a++ != *b++) {
		break;
	    }
	}
	b = substring;
    }
    return NULL;
}